US2739846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crop blower
Assignee: Eagle Manufacturing Co
•
Filing: 1951-12-20
•
Granted: 1956-03-27
•
Expires: 1971-12-20
Abstract
No abstract record available.
Inventors
- 👤 Jacobsen Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:53
CPC Classifications
A; A01; A01D; A01D87/00; A01D87/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2116539A
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US1490404A
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US1873386A
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US1900213A
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US2097703A
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US2340983A
Cited
US2504442A
Cited
US2534266A
Cited
US2629978A
Cited
US2698770A
Cited
US2678239A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-27 | 1959-09-26 | 1960-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-27 | 1963-09-26 | 1964-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-27 | 1967-09-26 | 1968-03-27 | $7700.00 | Window Closed / Lapsed |